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light pen的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
(computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated
light pen的用法和样例：
例句
用作名词 (n.)
- Input devices include keyboards and pointing devices such as mouse,joystick,track ball, or light pen.
输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。
